<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>首页</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            background-color: #f0f0f0;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            margin: 0;
        }
        .container {
            text-align: center;
            background-color: white;
            padding: 20px;
            border-radius: 5px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }
        a {
            color: #007bff;
            text-decoration: none;
            margin: 10px;
            font-size: 18px;
            padding: 10px 20px;
            border: 1px solid transparent;
            border-radius: 5px;
            transition: all 0.3s ease;
        }
        a:hover {
            background-color: #007bff;
            color: white;
            border-color: #007bff;
        }
    </style>
</head>
<body>
    <div class="container">
        <h1>欢迎来到首页</h1>
        <p>请选择操作：</p>
        <a href="/user/login">登录</a>
        <a href="/user/reg">注册</a>
    </div>
</body>
</html>
